Highway speed

Well, with a "new" engine in it, you CERTAINLY will be less stressed!

Had to chuckle with/ at FM.

I have 4 road registered vehicles at the moment. And that's close to 3 too many give or take one.

Road "speeds"

Moto Guzzi Watsonian.  60- 65mph. Will go faster.

(Saw 175 kph on the speedo actual was just under the ton down hill.)

Honda Spacy 250 (mini wing). 60mph. "apparently, never tried"

(May. Do 70ish mph)

1964 Dodge AT4 114 ex ambulance. Probably between 50 -55 mph.though may run faster.

A few of my near neighbours have new Dodge Rams. 

(I got 200k $au change on the price. Advertised here at 213k plus on road costs.)

1925 Fiat 509 Spider. Seems happy at 35 up to 40 mph. Flatout at 45mph and spitting water out the radiator.

Took it on a vintage run last week with vintage motorbikes. 2 pre ww2 Indians a BSA sloper and a 1903 Minerva.

The Minerva took a shortcut at 30kph the rest cruised at up to 40mph.

Of course we did not go far  so it's relative.

110kph is the speed limit here though many ignore it. 

If I was in USA going distance I would see the value in 6 cylinder Honda doing it easy.

I have to say that I prefer the 80 mph highway run when traveling and cruising through Utah and Nevada where the speed limit is 80 mph wicking it up to 90 is a regular practice. On a trip not too distant Spat and I were heading to Russel Cycle Products to procure a new seat for the Rocket III until weather, in the form of a Spring snow storm, kept us out of California and left us to meander around Nevada for a few days. I had the cargo tub on the R III so it has a lot less resistance than the TSC Ranger although I seriously doubt the R III really cares. During this meandering I discovered that the R III will comfortably cruise in excess of 100 mph for sustained periods and I topped it out at 135 on the speedometer.

My 2003 R1150GS Sport with a California Friendship II would also comfortably cruise at 80 but with a severe fuel consumption penalty.

Ah. The fuel penalty. Yes I am familiar with it. LOL

Well, I got up to 75 once.  Just don't get that much practice in the Delta Quadrant.

Hmmm, maybe I travel on too much gravel and don't hit the interstate too often. I am much more comfortable at slower speeds and I think the rig is too. Most of our two lane roads up here are 80 KPH to 100 KPH. The Overland rig 2018 BMW GSA is very happy at these speeds. I do seem to keep up and travel faster than traffic around me though. In times where I have  had to travel faster, ie, keeping up with some young guns on the freeway, I was heavily loaded with gear, hitting the scale at a tad over 640 KGs. There weren't much left climbing over a pass at 140 KPH. 80 MPHish  Passing becomes a thing of planning not just a whim. Of course the Overland is a barn door so aero push and drag really comes into play at any thing over 100 KPH or 60 MPH so the faster you go, the right push and the fuel consumption increase exponentially.  I saw 10 Litres per hundred Kilometres  trying to maintain 115 K into a head wind crossing Newfoundland. That's 23.5 MPG for you guys South of me LOL 

So I bet the Goldwing Bagger Clone thingy will push that nice svelte car you have just fine as fast as you want to go even with the doggies aboard. 

I went 165 miles to and from our CMA state rally on Saturday.  Both directions with a 25 mph crosswind from the south.  On the way to, I got 18 mpg and was REALLY close to fully draining the primary and secondary tanks.  With the car butting the wind, the fuel penalty was considerable.

The trip back was with the wind onto the tug and not nearly as fuel intensive.  Both directions I was keeping near 70 according to the speedo, but I don't know how accurate it actually is.  Need to go out with the GPS to do a little comparison.

I should add that our secondary roads have 65 mph speed limits and I never take a bike/sidecar onto that paved hell called I80  

I have a 06 gl1800 with the big Hannigan car for the 1800 and as the road captain for my CMA chapter when we group ride I will be between 55 and 70 depending on the posted highway speed. Faster than that the ride turns from a group to a gaggle. My mileage is from 25 to 30. I rarely feel the need to exceed 70. But to each his own.

Very nice looking set up and dogs.  Lost my sidecar dog to old age.  Will be getting another.  CC

Agreed.  I’m not looking to be any kind of speed monster.  Cruising at 70-75 with the security of having extra if needed and not stressing out the bike (and me) is my goal.  Thanks for all the responses.  Much appreciated.  I’m now confident that my F6B has the power plant I need down the road.  

Posted by: @donmitt

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I have a 06 gl1800 with the big Hannigan car for the 1800 and as the road captain for my CMA chapter when we group ride I will be between 55 and 70 depending on the posted highway speed. Faster than that the ride turns from a group to a gaggle. My mileage is from 25 to 30. I rarely feel the need to exceed 70. But to each his own.

@Mike-o, if you  need  someone to  clean out the  carbon  build up in your  F6B, due to  driving  that sidecar rig  SO slow,  let me know. 

I am a speed monster,  because.......someone  has to be.   

I really try to run the speed limit. I can go much faster if I want. I am just not in such a hurry that I need to drive over it. When the Throttle starts pushing past 70 Mph the fuel mileage drops.  At 80 it really drops. I can get 120 mph at that point I hit a self imposed rev limiter .

  The engine is not factory